President Joe Biden rolled up his sleeve and got his updated COVID-19 booster shot Tuesday, as he urged millions of people who have yet to be boosted to do so by Halloween, if possible, so they can gather safely with family and friends this holiday season.

“Get vaccinated,” he said, noting that it’s free. “Not enough people are getting it.”

Biden also called on Congress to provide the billions of dollars the administration has requested to buy additional vaccines, tests and treatments. Some lawmakers have balked at the request for more than $20 billion in new coronavirus funding.

Biden, who was flanked by his COVID-19 response team, declared that the fight against the spread of virus is global in nature and the “funding we seek is critical” to that effort.

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